Four channeled straight edge



FIG. 1 is a top, front and right side perspective view of a four channeled straight edge according to my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof. 

The ornamental design for a “four channeled straight edge”, as shown and described. 